551515341604 has 12 divisors (see below), whose sum is σ = 968821628544. Its totient is φ = 274709162024.

The previous prime is 551515341551. The next prime is 551515341613. The reversal of 551515341604 is 406143515155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262126012 + ... + 262128115.

It is an arithmetic number, because the mean of its divisors is an integer number (80735135712).

Almost surely, 2^551515341604 is an apocalyptic number.

It is an amenable number.

551515341604 is a deficient number, since it is larger than the sum of its proper divisors (417306286940).

551515341604 is a wasteful number, since it uses less digits than its factorization.

551515341604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524254394 (or 524254392 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 551515341604 its reverse (406143515155), we get a palindrome (957658856759).

The spelling of 551515341604 in words is "five hundred fifty-one billion, five hundred fifteen million, three hundred forty-one thousand, six hundred four".